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Finding the Fourth Proportional to 2,973, 4,460.04 and 1,878.72

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Solution

The fourth proportional to 2,973, 4,460.04 and 1,878.72 is: 2,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973 : 4,460.04 = 1,878.72 : x
  2. Step 2: Convert to fraction form
    2,973/4,460.04 = 1,878.72/x
  3. Step 3: Cross multiply
    2,973x = 4,460.04 × 1,878.72
  4. Step 4: Simplify right side
    2,973x = 8,379,166.35
  5. Step 5: Solve for x
    x = 8,379,166.35/2,973
  6. Step 6: Final answer
    x = 2,818.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.